| 020000 | Existing Conditions |
| 023000 | Subsurface Investigation |
| 024100 | Demoltion |
| 024113 | Selective Site Demolition |
| 024200 | Removal and Salvage of Construction Materials |
| 025000 | Site Remediation |
| 028200 | Asbestos Remediation |
| 028213 | Asbestos Abatement |
| 028300 | Lead Remediation |
| 028333 | Removal & Disposal of Material Containing Lead |
| 028533 | Removal and Disposal of Materials With Mold |